boostdesigns has a nice mani with a T3 flange and external WG. runs 550 i think for the mani and DP. you should check out their website (
www.boostdesigns.com). revhard, jgs, phat ka-t, fmax, IAP, ss autochrome, and ETD. Thats really all i know off the top of my head. You may also want to check
http://www.ka-t.org as i think they have a sticky with all the links to the mani's i just listed.